Collapsible handle



FIG. 1 is a front perspective view of a collapsible handle showing my new design, in collapsed position;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a partially extended rear perspective view thereof; and

FIG. 4 is a fully extended rear perspective view thereof. 

The ornamental design for a collapsible handle, substantially as shown and described. 